New Era Flip 40 oz - Dune

The Era Flip 40oz is the world's first 100% leakproof, covered flip-down straw tumbler—engineered for your on-the-go lifestyle. Featuring our proprietary SlideSeal™ lid, it locks tight with cold and iced carbonated beverages, eliminating leaks and spills. The SoftSip™ silicone straw delivers a luxury sipping experience, while the optional ColdKey™ metal straw reduces plastic waste. BevGuard™ insulation keeps drinks cold for 24+ hours, and the cup holder–friendly base fits seamlessly into your car, bag, or desk. Perfect for commutes, workouts, and daily adventures—stress-free sips, guaranteed. Note: Use locked position with cold beverages only. For carbonated drinks, a 50% ice-to-liquid ratio is recommended.